SpecPicks Verdict

SpecPicks classifies Rome Tech CMOS BIOS Battery for Lenovo Legion (IdeaPad) Y740-15IRH… as a solid pick with broad community endorsement in the tools & maintenance category, based on 2 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Rome Tech's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Solid 4.4★ customer rating
  • ✓ Backed by Rome Tech's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Limited review volume so far — fewer data points on long-term reliability
  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • Rome Tech BIOS CMOS battery CR2032 best suits to replace your broken or non-working old battery - we provide premium quality only
  • RTC battery compatible with such models as: Lenovo Legion (IdeaPad) Y740-15IRH, Lenovo Legion (IdeaPad) Y740-15IRHg, Lenovo Legion Y740-15ICHg, Lenovo V Series V145-15AST, Acer Aspire 4333, Lenovo ThinkPad A485
  • Enjoy extended reliability of the CMOS battery and heat shrink of a high caliber - the CMOS battery will last you for a long time
  • The size of the entire unit is extremely small - will fit in almost any electronic device requires 3V battery connector with 2 pins and 2 wires
  • Quick and simple battery CMOS installation takes only 10 minutes of your time. Try our customer service for resolving any issues during battery replacement

Full Specifications

BrandRome Tech
Voltage3 Volts (AC)
Model Name22REGPN2032L-04
Unit Count1.0 Count
ReusabilityNo
Battery Weight3 Grams
Antenna LocationIndoor
Battery Capacity225 Milliamp Hours
Battery Cell TypeLithium Ion
Number of Batteries1 CR2 batteries required. (included)
Warranty Description30 Days
Compatible Phone ModelsLenovo Legion (IdeaPad) Y740-15IRH, Lenovo Legion (IdeaPad) Y740-15IRHg, Lenovo Legion Y740-15ICHg, Lenovo V Series V145-15AST, Acer Aspire 4333, Lenovo ThinkPad A485
Battery Cell CompositionLithium Ion
Recommended Uses For ProductIndoor

Ready to buy?

Rome Tech CMOS BIOS Battery for Lenovo Legion (IdeaPad) Y740-15IRH, Y740-15IRHg, Y740-15ICHg - Laptop Backup 3V RTC CR2032 with 2 Wire Cable is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.

Related Tools & Maintenance

Rome Tech CMOS BIOS Battery for Lenovo Legion (IdeaPad) Y740-15IRH, Y740-15IRHg, Y740-15ICHg - Laptop Backup 3V RTC CR2032 with 2 Wire Cable
$9.89
4.4★ (2)
View on Amazon →